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# Security Engineer

- **Company:** Klaviyo, Inc.
- **Location:** Boston, United States
- **Experience:** Expert
- **Salary:** $141,600 - $212,400
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Big Data, Information Engineering, Intrusion Detection and Prevention, Python (Programming Language), Machine Learning, Security Information and Event Management, Data Logging, Data Lakes, Cybercrime, Build Tools, Data Pipelines
- **Published:** October 26, 2026
- **Apply:** https://startup.jobs/senior-security-engineer-detection-and-response-klaviyo-2-10531212

## About the Role

* 5+ years of experience in software, security, and/or data engineering
 * Automation-first and AI-first approach for all work performed
 * Experience with centralized logging, data lakes, and SIEM solutions
 * Familiarity with large-scale data pipelines and data engineering techniques
 * Proficient in programming languages to automate / build (e.g., Python, Go or similar)
 * Proven experience with git/GitHub and CI/CD automations
 * Familiarity with tactics, techniques, and procedures used by threat actors
 * Experience being part of detection and response or incident response on-call
 * Strong passion for continuous learning and staying updated on evolving technology
 * Strong oral and written communication skills
 * Team player with a strong, self-managing work ethic

## Description

* Build systems that facilitate security observability for detection and response
 * Develop AI-first security systems to automate detection and response operations
 * Onboard, normalize and optimize security logging data for large-scale data analysis, detection engineering, deployment of ML models, and efficient querying during incidents.
 * Develop high-fidelity rule-based and/or ML-based detections as code
 * Respond to security alerts, cyber threats, and security incidents
 * Drive end-to-end incident response investigations
 * Automate and codify detection and response workflows and processes
 * Conduct ad-hoc threat hunts and be an active member of D&R on-call rotations